<template>
  <div class="unity">
    <div id="unity-container" class="unity-desktop">
      <canvas id="unity-canvas" width="100vw" height="88vh"></canvas>
      <div id="unity-loading-bar">
        <div id="unity-logo"></div>
        <div id="unity-progress-bar-empty">
          <div id="unity-progress-bar-full"></div>
        </div>
      </div>
      <div id="unity-warning"></div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      myGameInstance: {},
    };
  },
  methods: {
    unityInit() {
      var container = document.querySelector("#unity-container");
      var canvas = document.querySelector("#unity-canvas");
      var loadingBar = document.querySelector("#unity-loading-bar");
      var progressBarFull = document.querySelector("#unity-progress-bar-full");
      var fullscreenButton = document.querySelector("#unity-fullscreen-button");
      var warningBanner = document.querySelector("#unity-warning");

      // Shows a temporary message banner/ribbon for a few seconds, or
      // a permanent error message on top of the canvas if type=='error'.
      // If type=='warning', a yellow highlight color is used.
      // Modify or remove this function to customize the visually presented
      // way that non-critical warnings and error messages are presented to the
      // user.
      function unityShowBanner(msg, type) {
        function updateBannerVisibility() {
          warningBanner.style.display = warningBanner.children.length
            ? "block"
            : "none";
        }
        var div = document.createElement("div");
        div.innerHTML = msg;
        warningBanner.appendChild(div);
        if (type == "error") div.style = "background: red; padding: 10px;";
        else {
          if (type == "warning")
            div.style = "background: yellow; padding: 10px;";
          setTimeout(function () {
            warningBanner.removeChild(div);
            updateBannerVisibility();
          }, 5000);
        }
        updateBannerVisibility();
      }

      var buildUrl = "/static/WebGL Build/Build";
      var loaderUrl = buildUrl + "/LvfaWebGLBuild.loader.js";
      var config = {
        dataUrl: buildUrl + "/LvfaWebGLBuild.data",
        frameworkUrl: buildUrl + "/LvfaWebGLBuild.framework.js",
        codeUrl: buildUrl + "/LvfaWebGLBuild.wasm",
        streamingAssetsUrl: "StreamingAssets",
        companyName: "DefaultCompany",
        productName: "WebGL Sample",
        productVersion: "0.1.0",
        showBanner: unityShowBanner,
      };

      if (/iPhone|iPad|iPod|Android/i.test(navigator.userAgent)) {
        var meta = document.createElement("meta");
        meta.name = "viewport";
        meta.content =
          "width=device-width, height=device-height, initial-scale=1.0, user-scalable=no, shrink-to-fit=yes";
        document.getElementsByTagName("head")[0].appendChild(meta);
        container.className = "unity-mobile";
        canvas.className = "unity-mobile";

        unityShowBanner("WebGL builds are not supported on mobile devices.");
      } else {
        canvas.style.width = "100%";
        canvas.style.height = "100%";
      }

      loadingBar.style.display = "block";

      var script = document.createElement("script");
      script.src = loaderUrl;
      script.onload = () => {
        createUnityInstance(canvas, config, (progress) => {
          progressBarFull.style.width = 100 * progress + "%";
        })
          .then((unityInstance) => {
            this.myGameInstance = unityInstance;
            this.$store.commit("save", unityInstance);
            loadingBar.style.display = "none";
            fullscreenButton.onclick = () => {
              unityInstance.SetFullscreen(1);
            };
          })
          .catch((message) => {});
      };
      document.body.appendChild(script);

      // this.myGameInstance = unityInstance
      // console.log(this.myGameInstance)
      // this.myGameInstance.SendMessage("GameController","ShowFloor",2);
    },
  },
  created() {},
  mounted() {
    // this.unityInit();
  },
};
</script>

<style scoped>
.unity {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 1;
}
.unity-desktop {
  width: 100%;
  height: 100%;
}
</style>
